QEMU up to 5.x SCSI Emulation Support null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in QEMU up to 5.x. Impacted is an unknown function of the component SCSI Emulation Support. Performing a manipulation results in null pointer dereference. This vulnerability is cataloged as CVE-2020-35504. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in QEMU up to 5.x (Virtualization Software). This affects some unknown processing of the component SCSI Emulation Support. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

The weakness was shared 05/28/2021. The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2020-35504. Neither technical details nor an exploit are publicly available.

Upgrading to version 6.0.0 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: QEMU 6.0.0

Timelineinfo

12/17/2020 🔍
05/28/2021 +161 days 🔍
05/28/2021 +0 days 🔍
06/03/2021 +6 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2020-35504 (🔍)
GCVE (CVE): GCVE-0-2020-35504
GCVE (VulDB): GCVE-100-176049

Entryinfo

Created: 05/28/2021 21:53
Updated: 06/03/2021 09:34
Changes: 05/28/2021 21:53 (38), 06/03/2021 09:34 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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